Fresh Water Tank

[Reverend D]

When I try to fill the freshwater tank on my Greyhawk 29ME Motorhome, the water runs out the three overflow tubes. Every time it gets to the 2/3 mark, the water runs out completely..never get full and never retain the water. Any suggestions?...

[tmielke]

Originally Posted by Reverend D

When I try to fill the freshwater tank on my Greyhawk 29ME Motorhome, the water runs out the three overflow tubes. Every time it gets to the 2/3 mark, the water runs out completely..never get full and never retain the water. Any suggestions?...

Install stops on end of overflow tubes. A siphon forms in the tank from the vent tubes being inserted to far. If there is not a vent by the water fill, open the valves before use to prevent a vacuum from forming in the tank.

[ALJO]

Installing valves are not the correct procedure, but many RV DIYers have done it. Best way is to loop up about 24" and then down. Installing valves by forgetting to open might blow your FW tanks.